Hydro Flask Wide Mouth Flex Sip Cap - Black

Sip, twist and go.

Designed with hot drinks in mind, the Flex Sip™ Lid lets you enjoy your favorite brew or hot beverage leak-free.

Designed for transporting and drinking hot beverages
Leakproof when closed
Easily twist to open, twist to close
Fits all Wide Mouth bottles
BPA-Free